nonebot-bison/nonebot_bison/config/migrations/c97c445e2bdb_add_constraint.py
2023-07-18 21:43:25 +08:00

43 lines
1.4 KiB
Python

"""add constraint
Revision ID: c97c445e2bdb
Revises: 0571870f5222
Create Date: 2022-03-26 19:46:50.910721
"""
from alembic import op
# revision identifiers, used by Alembic.
revision = "c97c445e2bdb"
down_revision = "0571870f5222"
branch_labels = None
depends_on = None
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table("subscribe", schema=None) as batch_op:
batch_op.create_unique_constraint("unique-subscribe-constraint", ["target_id", "user_id"])
with op.batch_alter_table("target", schema=None) as batch_op:
batch_op.create_unique_constraint("unique-target-constraint", ["target", "platform_name"])
with op.batch_alter_table("user", schema=None) as batch_op:
batch_op.create_unique_constraint("unique-user-constraint", ["type", "uid"])
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
with op.batch_alter_table("user", schema=None) as batch_op:
batch_op.drop_constraint("unique-user-constraint", type_="unique")
with op.batch_alter_table("target", schema=None) as batch_op:
batch_op.drop_constraint("unique-target-constraint", type_="unique")
with op.batch_alter_table("subscribe", schema=None) as batch_op:
batch_op.drop_constraint("unique-subscribe-constraint", type_="unique")
# ### end Alembic commands ###